The inequality is .
(Product of two same signs is positive)
Apply addition property of inequality: Add 3 to each side.
\ (Additive inverse property:
)
(Apply additive identity property:
)
(Add:
)
Graph the solution set on a number line.
Note: A circle means that this point is not included in the solution set.
Check:To check, substitute less than a number in
.
(Product of two same signs is positive)
(Subtract:
)
The inequality solution is .